Algonquin ZIP Codes — Mchenry County, IL

There is one unique ZIP code in Algonquin, Illinois and it is 60102. Area code: 224/847.

ZIP codes

15.76

sq mi land

0.44

sq mi water

224/847

area code

Algonquin, IL ZIP code map

About Algonquin, IL

Algonquin, Illinois, is a charming village located in McHenry County. Renowned for its scenic landscapes and vibrant community, Algonquin is a great place to live and visit. The village offers a unique blend of suburban convenience and natural beauty alongside the Fox River.

Location & geography

Situated about 45 miles northwest of Chicago, Algonquin is conveniently located near several prominent communities. Nearby cities include Cary, which is approximately 5 miles to the southwest, Lake in the Hills about 4 miles to the northwest, and Crystal Lake, around 10 miles to the west. The village covers a total area of 15.76 square miles, of which 0.44 square miles is water.

Community & economy

Algonquin boasts a diverse community with a variety of cultural and recreational activities that cater to residents and visitors alike. The local economy is supported by various industries, including retail, healthcare, and small businesses, contributing to a vibrant daily life. Residents often enjoy outdoor activities, parks, and numerous local events that foster a strong sense of community.

Transportation

Algonquin is easily accessible via major highways, including the Randall Road, which runs north-south through the village and connects to the Northwest Tollway (I-90) to the south. The nearest airport is the Chicago Rockford International Airport, located roughly 30 miles away. Public transit options in the area also serve to connect residents to regional transportation networks.

History

Founded in the late 1830s, Algonquin has developed from a small agricultural community into a thriving suburban village. The town originally relied on agriculture and later saw growth with the establishment of railroads, which bolstered local industries. Notable events in Algonquin's history include the incorporation of the village in 1890 and its ongoing evolution into a residential hub.

Did you know?

One surprising fact about Algonquin is that it is home to the historic Cornish Hay Barn, a unique architectural landmark that reflects the village's agricultural roots. Additionally, Algonquin features extensive riverfront parks, making it a delightful destination for nature lovers.

ZIP codes for Algonquin, IL (1)

ZIP code	City	County	Map
60102	Algonquin	Mchenry	View map

Demographics & statistics

32,227

Population

41.8

Median age

$127,140

Median household income

$53,231

Per capita income

$302,800

Median home value

$1,823

Median monthly rent

86.2%

Home ownership

4.2%

Poverty rate

4.9%

Unemployment

10,448

Housing units

42.7%

Bachelor's or higher

Age distribution

Male Female

748

Under 5

726

966

5–9

936

941

10–14

913

1,163

15–19

1,128

1,012

20–24

981

2,026

25–34

1,965

1,975

35–44

1,915

2,503

45–54

2,428

1,630

55–59

1,581

1,112

60–64

1,079

1,292

65–74

1,253

673

75–84

653

319

85+

309

← Male

Female →

Age summary

Group	Count	%
Under 18	6,564	20.4%
18 and over	25,663	79.6%
65 and over	4,499	14.0%
Median age	41.8 years

Race & ethnicity

White 79.4%

Hispanic or Latino 5.4%

Two or more races 5.2%

Asian 4.9%

Other race 2.5%

Black or African American 1.8%

American Indian / Alaska Native 0.7%

Group	Count	%
White	27,030	79.4%
Hispanic or Latino	1,832	5.4%
Two or more races	1,771	5.2%
Asian	1,680	4.9%
Other race	868	2.5%
Black or African American	627	1.8%
American Indian / Alaska Native	251	0.7%

Household income

Under $10k 1.5%

$10k–$15k 1.5%

$15k–$25k 2.5%

$25k–$35k 3.3%

$35k–$50k 5.3%

$50k–$75k 10.3%

$75k–$100k 12.6%

$100k–$150k 23.5%

$150k–$200k 20.0%

$200k+ 19.5%

Range	% of households
Under $10k	1.5%
$10k–$15k	1.5%
$15k–$25k	2.5%
$25k–$35k	3.3%
$35k–$50k	5.3%
$50k–$75k	10.3%
$75k–$100k	12.6%
$100k–$150k	23.5%
$150k–$200k	20.0%
$200k+	19.5%
Median income	$127,140

Housing

Home values

Under $50k 2.1%

$50k–$100k 0.9%

$100k–$150k 1.6%

$150k–$200k 7.1%

$200k–$300k 37.4%

$300k–$500k 47.9%

$500k–$1M 2.9%

$1M+ 0.1%

Housing overview

Metric	Value
Median home value	$302,800
Median rent / month	$1,823
Owner occupied	86.2%
Renter occupied	13.8%
Vacant	2.1%
Single-family detached	75.0%
Large apartment buildings	3.5%
Mobile homes	0.0%
Median rooms	7.1
Avg household size (owned)	2.80

Year built

Era	%
2020 or later	0.1%
2010–2019	6.6%
2000–2009	21.6%
1990–1999	30.5%
1980–1989	18.3%
1970–1979	10.9%
1960–1969	1.9%
1950–1959	3.4%
1940–1949	2.9%
1939 or earlier	3.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	5.4%
2 bedrooms	18.6%
3 bedrooms	32.0%
4 bedrooms	35.9%
5+ bedrooms	7.5%

Vehicles per household

Vehicles	% of households
No vehicle	6.3%
1 vehicle	17.7%
2 vehicles	43.8%
3 or more	32.1%

Heating fuel

Fuel type	%
Utility gas	94.8%
Electricity	4.3%
Propane / LP gas	0.7%
Wood	0.1%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	7,341	62.0%
Cohabiting couple	1,044	8.8%
Male householder, no spouse	1,461	12.3%
Female householder, no spouse	1,987	16.8%
Households with children under 18	3,887	32.8%
Households with seniors (65+)	3,301	27.9%
Average household size	2.72

Marital status

Status	Male	Female
Never married	33.0%	24.5%
Married	56.6%	55.7%
Separated	0.7%	0.9%
Widowed	2.5%	7.6%
Divorced	7.2%	11.2%

Education

Less than 9th grade 2.0%

Some HS, no diploma 3.7%

HS graduate 18.6%

Some college, no degree 20.9%

Associate's degree 12.1%

Bachelor's degree 26.7%

Graduate / professional 16.0%

Metric	%
HS diploma or higher	94.4%
Bachelor's or higher	42.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	418	5.6%
Kindergarten	253	3.4%
Elementary school	3,051	40.8%
High school	1,695	22.7%
College / grad school	2,066	27.6%

Employment

Industry of employment

Education & healthcare 21.6%

Retail trade 14.6%

Professional & management 14.3%

Manufacturing 13.5%

Finance & real estate 7.8%

Transportation & utilities 6.0%

Arts, food & hospitality 5.2%

Construction 4.7%

Other services 3.5%

Public administration 2.9%

Wholesale trade 2.8%

Information 2.8%

Agriculture & mining 0.4%

Occupation

Category	%
Management, business & arts	47.7%
Service	9.9%
Sales & office	24.0%
Natural resources & construction	5.0%
Production & transportation	13.5%

Employment type

Type	%
Private sector	84.7%
Government	11.9%
Self-employed	3.1%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	74.7%
Carpool	5.0%
Public transit	1.0%
Walk	1.0%
Other means	0.6%
Avg commute (minutes)	32.6

Poverty

All people 4.2%

Under 18 years 4.1%

18 and over 4.2%

Married-couple families 1.1%

Female-led households 9.6%

Income support

Source	% of households
Social Security	27.4%
Retirement income	21.3%
Supplemental Security	3.2%
Cash public assistance	2.6%
Food stamps / SNAP	3.3%

Health indicators

Condition	%
High blood pressure	26.7%
High cholesterol	29.9%
Heart disease	4.3%
Stroke	2.0%
Asthma	8.9%
Arthritis	20.7%
Kidney disease	2.1%
Pulmonary disease	4.7%
Cancer	5.6%

Behavior / access	%
Binge drinking	16.3%
No physical activity	19.2%
Less than 7 hrs sleep	31.5%
Fair or poor health	9.7%
Poor mental health	11.5%
Poor physical health	7.4%
No health insurance	8.7%
Visited doctor (checkup)	75.0%
Visited dentist	73.1%
Cholesterol screening	91.2%
Teeth loss	8.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,383	5.4%

Disability	%
Any disability	9.0%
Under 18	3.3%
18–64 years	6.1%
65 and over	30.9%

Health insurance coverage

Type	%
Private insurance	86.0%
Public insurance	20.5%
Uninsured under 19	4.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	30,753	95.4%
Spanish	1,787	5.8%
Other Indo-European	503	1.6%
Asian & Pacific Islander	877	2.9%
Other languages	370	1.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	28,496	88.4%
Born in same state	28,049	87.0%
Born in different state	22,870	71.0%
Foreign born	447	1.4%
Naturalized citizen	3,731	11.6%
Not a US citizen	2,565	68.7%

Ancestry

Ancestry	Count	%
Italian	4,652	14.4%
French	2,471	7.7%
Arab	592	1.8%
English	591	1.8%
Polish	429	1.3%

Ancestry	Count	%
Norwegian	213	0.7%
German	175	0.5%
Irish	170	0.5%
Dutch	112	0.3%

Technology access

Metric	% of households
Computer access	36.7%
Internet access	96.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Algonquin, IL have?

Algonquin, IL has one ZIP code: 60102. Each ZIP code serves a distinct delivery area within the city and surrounding region.